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livetrax/libs/surfaces/mackie/surface.cc

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/*
Copyright (C) 2012 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <sstream>
#include <iomanip>
#include <iostream>
#include <cstdio>
#include <cmath>
#include "midi++/port.h"
#include "ardour/automation_control.h"
#include "ardour/debug.h"
#include "ardour/route.h"
#include "ardour/panner.h"
#include "ardour/panner_shell.h"
#include "ardour/rc_configuration.h"
#include "ardour/session.h"
#include "ardour/utils.h"
#include "control_group.h"
#include "surface_port.h"
#include "surface.h"
#include "strip.h"
#include "mackie_control_protocol.h"
#include "jog_wheel.h"
#include "strip.h"
#include "button.h"
#include "led.h"
#include "pot.h"
#include "fader.h"
#include "jog.h"
#include "meter.h"
#include "i18n.h"
using namespace std;
using namespace PBD;
using ARDOUR::Route;
using ARDOUR::Panner;
using ARDOUR::Pannable;
using ARDOUR::AutomationControl;
using namespace ArdourSurface;
using namespace Mackie;
#define ui_context() MackieControlProtocol::instance() /* a UICallback-derived object that specifies the event loop for signal handling */
// The MCU sysex header.4th byte Will be overwritten
// when we get an incoming sysex that identifies
// the device type
static MidiByteArray mackie_sysex_hdr (5, MIDI::sysex, 0x0, 0x0, 0x66, 0x14);
// The MCU extender sysex header.4th byte Will be overwritten
// when we get an incoming sysex that identifies
// the device type
static MidiByteArray mackie_sysex_hdr_xt (5, MIDI::sysex, 0x0, 0x0, 0x66, 0x15);
static MidiByteArray empty_midi_byte_array;
Surface::Surface (MackieControlProtocol& mcp, const std::string& device_name, uint32_t number, surface_type_t stype)
: _mcp (mcp)
, _stype (stype)
, _number (number)
, _name (device_name)
, _active (false)
, _connected (false)
, _jog_wheel (0)
, _master_fader (0)
, _last_master_gain_written (-0.0f)
{
DEBUG_TRACE (DEBUG::MackieControl, "Surface::Surface init\n");
try {
_port = new SurfacePort (*this);
} catch (...) {
throw failed_constructor ();
}
/* only the first Surface object has global controls */
/* lets use master_position instead */
uint32_t mp = _mcp.device_info().master_position();
if (_number == mp) {
DEBUG_TRACE (DEBUG::MackieControl, "Surface matches MasterPosition. Might have global controls.\n");
if (_mcp.device_info().has_global_controls()) {
init_controls ();
DEBUG_TRACE (DEBUG::MackieControl, "init_controls done\n");
}
if (_mcp.device_info().has_master_fader()) {
setup_master ();
DEBUG_TRACE (DEBUG::MackieControl, "setup_master done\n");
}
}
uint32_t n = _mcp.device_info().strip_cnt();
if (n) {
init_strips (n);
DEBUG_TRACE (DEBUG::MackieControl, "init_strips done\n");
}
connect_to_signals ();
DEBUG_TRACE (DEBUG::MackieControl, "Surface::Surface done\n");
}
Surface::~Surface ()
{
DEBUG_TRACE (DEBUG::MackieControl, "Surface::~Surface init\n");
zero_all ();
// delete groups
for (Groups::iterator it = groups.begin(); it != groups.end(); ++it) {
delete it->second;
}
// delete controls
for (Controls::iterator it = controls.begin(); it != controls.end(); ++it) {
delete *it;
}
delete _jog_wheel;
delete _port;
DEBUG_TRACE (DEBUG::MackieControl, "Surface::~Surface done\n");
}
XMLNode&
Surface::get_state()
{
char buf[64];
snprintf (buf, sizeof (buf), X_("surface-%u"), _number);
XMLNode* node = new XMLNode (buf);
node->add_child_nocopy (_port->get_state());
return *node;
}
int
Surface::set_state (const XMLNode& node, int version)
{
char buf[64];
snprintf (buf, sizeof (buf), X_("surface-%u"), _number);
XMLNode* mynode = node.child (buf);
if (!mynode) {
return 0;
}
XMLNode* portnode = mynode->child (X_("Port"));
if (portnode) {
if (_port->set_state (*portnode, version)) {
return -1;
}
}
return 0;
}
const MidiByteArray&
Surface::sysex_hdr() const
{
switch (_stype) {
case mcu: return mackie_sysex_hdr;
case ext: return mackie_sysex_hdr_xt;
}
cout << "SurfacePort::sysex_hdr _port_type not known" << endl;
return mackie_sysex_hdr;
}
static GlobalControlDefinition mackie_global_controls[] = {
{ "external", Pot::External, Pot::factory, "none" },
{ "fader_touch", Led::FaderTouch, Led::factory, "master" },
{ "timecode", Led::Timecode, Led::factory, "none" },
{ "beats", Led::Beats, Led::factory, "none" },
{ "solo", Led::RudeSolo, Led::factory, "none" },
{ "relay_click", Led::RelayClick, Led::factory, "none" },
{ "", 0, Led::factory, "" }
};
void
Surface::init_controls()
{
Group* group;
DEBUG_TRACE (DEBUG::MackieControl, "Surface::init_controls: creating groups\n");
groups["assignment"] = new Group ("assignment");
groups["automation"] = new Group ("automation");
groups["bank"] = new Group ("bank");
groups["cursor"] = new Group ("cursor");
groups["display"] = new Group ("display");
groups["function select"] = new Group ("function select");
groups["global view"] = new Group ("global view");
groups["master"] = new Group ("master");
groups["modifiers"] = new Group ("modifiers");
groups["none"] = new Group ("none");
groups["transport"] = new Group ("transport");
groups["user"] = new Group ("user");
groups["utilities"] = new Group ("utilities");
DEBUG_TRACE (DEBUG::MackieControl, "Surface::init_controls: creating jog wheel\n");
if (_mcp.device_info().has_jog_wheel()) {
_jog_wheel = new Mackie::JogWheel (_mcp);
}
DEBUG_TRACE (DEBUG::MackieControl, "Surface::init_controls: creating global controls\n");
for (uint32_t n = 0; mackie_global_controls[n].name[0]; ++n) {
group = groups[mackie_global_controls[n].group_name];
Control* control = mackie_global_controls[n].factory (*this, mackie_global_controls[n].id, mackie_global_controls[n].name, *group);
controls_by_device_independent_id[mackie_global_controls[n].id] = control;
}
/* add global buttons */
DEBUG_TRACE (DEBUG::MackieControl, "Surface::init_controls: adding global buttons\n");
const map<Button::ID,GlobalButtonInfo>& global_buttons (_mcp.device_info().global_buttons());
for (map<Button::ID,GlobalButtonInfo>::const_iterator b = global_buttons.begin(); b != global_buttons.end(); ++b){
group = groups[b->second.group];
controls_by_device_independent_id[b->first] = Button::factory (*this, b->first, b->second.id, b->second.label, *group);
}
}
void
Surface::init_strips (uint32_t n)
{
const map<Button::ID,StripButtonInfo>& strip_buttons (_mcp.device_info().strip_buttons());
for (uint32_t i = 0; i < n; ++i) {
char name[32];
snprintf (name, sizeof (name), "strip_%d", (8* _number) + i);
Strip* strip = new Strip (*this, name, i, strip_buttons);
groups[name] = strip;
strips.push_back (strip);
}
}
void
Surface::setup_master ()
{
boost::shared_ptr<Route> m;
if ((m = _mcp.get_session().monitor_out()) == 0) {
m = _mcp.get_session().master_out();
}
if (!m) {
return;
}
_master_fader = dynamic_cast<Fader*> (Fader::factory (*this, _mcp.device_info().strip_cnt(), "master", *groups["master"]));
_master_fader->set_control (m->gain_control());
m->gain_control()->Changed.connect (*this, MISSING_INVALIDATOR, boost::bind (&Surface::master_gain_changed, this), ui_context());
Groups::iterator group_it;
group_it = groups.find("master");
DeviceInfo device_info = _mcp.device_info();
GlobalButtonInfo master_button = device_info.get_global_button(Button::MasterFaderTouch);
Button* bb = dynamic_cast<Button*> (Button::factory (
*this,
Button::MasterFaderTouch,
master_button.id,
master_button.label,
*(group_it->second)
));
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("surface %1 Master Fader new button BID %2 id %3\n",
number(), Button::MasterFaderTouch, bb->id()));
}
void
Surface::master_gain_changed ()
{
if (!_master_fader) {
return;
}
boost::shared_ptr<AutomationControl> ac = _master_fader->control();
if (!ac) {
return;
}
float normalized_position = ac->internal_to_interface (ac->get_value());
if (normalized_position == _last_master_gain_written) {
return;
}
DEBUG_TRACE (DEBUG::MackieControl, "Surface::master_gain_changed: updating surface master fader\n");
_port->write (_master_fader->set_position (normalized_position));
_last_master_gain_written = normalized_position;
}
float
Surface::scaled_delta (float delta, float current_speed)
{
/* XXX needs work before use */
const float sign = delta < 0.0 ? -1.0 : 1.0;
return ((sign * std::pow (delta + 1.0, 2.0)) + current_speed) / 100.0;
}
void
Surface::display_bank_start (uint32_t current_bank)
{
if (current_bank == 0) {
// send Ar. to 2-char display on the master
show_two_char_display ("Ar", "..");
} else {
// write the current first remote_id to the 2-char display
show_two_char_display (current_bank);
}
}
void
Surface::blank_jog_ring ()
{
Control* control = controls_by_device_independent_id[Jog::ID];
if (control) {
Pot* pot = dynamic_cast<Pot*> (control);
if (pot) {
_port->write (pot->set (0.0, false, Pot::spread));
}
}
}
float
Surface::scrub_scaling_factor () const
{
return 100.0;
}
void
Surface::connect_to_signals ()
{
if (!_connected) {
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Surface %1 connecting to signals on port %2\n",
number(), _port->input_port().name()));
MIDI::Parser* p = _port->input_port().parser();
/* Incoming sysex */
p->sysex.connect_same_thread (*this, boost::bind (&Surface::handle_midi_sysex, this, _1, _2, _3));
/* V-Pot messages are Controller */
p->controller.connect_same_thread (*this, boost::bind (&Surface::handle_midi_controller_message, this, _1, _2));
/* Button messages are NoteOn */
p->note_on.connect_same_thread (*this, boost::bind (&Surface::handle_midi_note_on_message, this, _1, _2));
/* Button messages are NoteOn but libmidi++ sends note-on w/velocity = 0 as note-off so catch them too */
p->note_off.connect_same_thread (*this, boost::bind (&Surface::handle_midi_note_on_message, this, _1, _2));
/* Fader messages are Pitchbend */
uint32_t i;
for (i = 0; i < _mcp.device_info().strip_cnt(); i++) {
p->channel_pitchbend[i].connect_same_thread (*this, boost::bind (&Surface::handle_midi_pitchbend_message, this, _1, _2, i));
}
// Master fader
p->channel_pitchbend[_mcp.device_info().strip_cnt()].connect_same_thread (*this, boost::bind (&Surface::handle_midi_pitchbend_message, this, _1, _2, _mcp.device_info().strip_cnt()));
_connected = true;
}
}
void
Surface::handle_midi_pitchbend_message (MIDI::Parser&, MIDI::pitchbend_t pb, uint32_t fader_id)
{
/* Pitchbend messages are fader position messages. Nothing in the data we get
* from the MIDI::Parser conveys the fader ID, which was given by the
* channel ID in the status byte.
*
* Instead, we have used bind() to supply the fader-within-strip ID
* when we connected to the per-channel pitchbend events.
*/
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Surface::handle_midi_pitchbend_message on port %3, fader = %1 value = %2\n",
fader_id, pb, _number));
if (_mcp.device_info().no_handshake()) {
turn_it_on ();
}
Fader* fader = faders[fader_id];
if (fader) {
Strip* strip = dynamic_cast<Strip*> (&fader->group());
float pos = (pb >> 4)/1023.0; // only the top 10 bytes are used
if (strip) {
strip->handle_fader (*fader, pos);
} else {
DEBUG_TRACE (DEBUG::MackieControl, "Handling master fader\n");
/* master fader */
fader->set_value (pos); // alter master gain
_port->write (fader->set_position (pos)); // write back value (required for servo)
}
} else {
DEBUG_TRACE (DEBUG::MackieControl, "fader not found\n");
}
}
void
Surface::handle_midi_note_on_message (MIDI::Parser &, MIDI::EventTwoBytes* ev)
{
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Surface::handle_midi_note_on_message %1 = %2\n", (int) ev->note_number, (int) ev->velocity));
if (_mcp.device_info().no_handshake()) {
turn_it_on ();
}
/* fader touch sense is given by "buttons" 0xe..0xe7 and 0xe8 for the
* master.
*/
if (ev->note_number >= 0xE0 && ev->note_number <= 0xE8) {
Fader* fader = faders[ev->note_number];
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Surface: fader touch message, fader = %1\n", fader));
if (fader) {
Strip* strip = dynamic_cast<Strip*> (&fader->group());
if (ev->velocity > 64) {
strip->handle_fader_touch (*fader, true);
} else {
strip->handle_fader_touch (*fader, false);
}
}
return;
}
Button* button = buttons[ev->note_number];
if (button) {
Strip* strip = dynamic_cast<Strip*> (&button->group());
if (strip) {
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("strip %1 button %2 pressed ? %3\n",
strip->index(), button->name(), (ev->velocity > 64)));
strip->handle_button (*button, ev->velocity > 64 ? press : release);
} else {
/* global button */
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("global button %1\n", button->id()));
_mcp.handle_button_event (*this, *button, ev->velocity > 64 ? press : release);
}
} else {
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("no button found for %1\n", (int) ev->note_number));
}
}
void
Surface::handle_midi_controller_message (MIDI::Parser &, MIDI::EventTwoBytes* ev)
{
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("SurfacePort::handle_midi_controller %1 = %2\n", (int) ev->controller_number, (int) ev->value));
if (_mcp.device_info().no_handshake()) {
turn_it_on ();
}
Pot* pot = pots[ev->controller_number];
// bit 6 gives the sign
float sign = (ev->value & 0x40) == 0 ? 1.0 : -1.0;
// bits 0..5 give the velocity. we interpret this as "ticks
// moved before this message was sent"
float ticks = (ev->value & 0x3f);
if (ticks == 0) {
/* euphonix and perhaps other devices send zero
when they mean 1, we think.
*/
ticks = 1;
}
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float delta = 0;
if (mcp().modifier_state() == MackieControlProtocol::MODIFIER_CONTROL) {
delta = sign * (ticks / (float) 0xff);
} else {
delta = sign * (ticks / (float) 0x3f);
}
if (!pot) {
if (ev->controller_number == Jog::ID && _jog_wheel) {
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Jog wheel moved %1\n", ticks));
_jog_wheel->jog_event (delta);
return;
}
// add external (pedal?) control here
return;
}
Strip* strip = dynamic_cast<Strip*> (&pot->group());
if (strip) {
strip->handle_pot (*pot, delta);
}
}
void
Surface::handle_midi_sysex (MIDI::Parser &, MIDI::byte * raw_bytes, size_t count)
{
MidiByteArray bytes (count, raw_bytes);
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("handle_midi_sysex: %1\n", bytes));
if (_mcp.device_info().no_handshake()) {
turn_it_on ();
}
/* always save the device type ID so that our outgoing sysex messages
* are correct
*/
if (_stype == mcu) {
mackie_sysex_hdr[4] = bytes[4];
} else {
mackie_sysex_hdr_xt[4] = bytes[4];
}
switch (bytes[5]) {
case 0x01:
/* MCP: Device Ready
LCP: Connection Challenge
*/
if (bytes[4] == 0x10 || bytes[4] == 0x11) {
DEBUG_TRACE (DEBUG::MackieControl, "Logic Control Device connection challenge\n");
write_sysex (host_connection_query (bytes));
} else {
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Mackie Control Device ready, current status = %1\n", _active));
if (!_active) {
turn_it_on ();
}
}
break;
case 0x03: /* LCP Connection Confirmation */
DEBUG_TRACE (DEBUG::MackieControl, "Logic Control Device confirms connection, ardour replies\n");
if (bytes[4] == 0x10 || bytes[4] == 0x11) {
write_sysex (host_connection_confirmation (bytes));
_active = true;
}
break;
case 0x04: /* LCP: Confirmation Denied */
DEBUG_TRACE (DEBUG::MackieControl, "Logic Control Device denies connection\n");
_active = false;
break;
default:
error << "MCP: unknown sysex: " << bytes << endmsg;
}
}
static MidiByteArray
calculate_challenge_response (MidiByteArray::iterator begin, MidiByteArray::iterator end)
{
MidiByteArray l;
back_insert_iterator<MidiByteArray> back (l);
copy (begin, end, back);
MidiByteArray retval;
// this is how to calculate the response to the challenge.
// from the Logic docs.
retval << (0x7f & (l[0] + (l[1] ^ 0xa) - l[3]));
retval << (0x7f & ( (l[2] >> l[3]) ^ (l[0] + l[3])));
retval << (0x7f & ((l[3] - (l[2] << 2)) ^ (l[0] | l[1])));
retval << (0x7f & (l[1] - l[2] + (0xf0 ^ (l[3] << 4))));
return retval;
}
// not used right now
MidiByteArray
Surface::host_connection_query (MidiByteArray & bytes)
{
MidiByteArray response;
if (bytes[4] != 0x10 && bytes[4] != 0x11) {
/* not a Logic Control device - no response required */
return response;
}
// handle host connection query
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("host connection query: %1\n", bytes));
if (bytes.size() != 18) {
cerr << "expecting 18 bytes, read " << bytes << " from " << _port->input_port().name() << endl;
return response;
}
// build and send host connection reply
response << 0x02;
copy (bytes.begin() + 6, bytes.begin() + 6 + 7, back_inserter (response));
response << calculate_challenge_response (bytes.begin() + 6 + 7, bytes.begin() + 6 + 7 + 4);
return response;
}
// not used right now
MidiByteArray
Surface::host_connection_confirmation (const MidiByteArray & bytes)
{
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("host_connection_confirmation: %1\n", bytes));
// decode host connection confirmation
if (bytes.size() != 14) {
ostringstream os;
os << "expecting 14 bytes, read " << bytes << " from " << _port->input_port().name();
throw MackieControlException (os.str());
}
// send version request
return MidiByteArray (2, 0x13, 0x00);
}
void
Surface::turn_it_on ()
{
if (_active) {
return;
}
_active = true;
_mcp.device_ready ();
for (Strips::iterator s = strips.begin(); s != strips.end(); ++s) {
(*s)->notify_all ();
}
update_view_mode_display ();
if (_mcp.device_info ().has_global_controls ()) {
_mcp.update_global_button (Button::Read, _mcp.metering_active ());
}
}
void
Surface::write_sysex (const MidiByteArray & mba)
{
if (mba.empty()) {
return;
}
MidiByteArray buf;
buf << sysex_hdr() << mba << MIDI::eox;
_port->write (buf);
}
void
Surface::write_sysex (MIDI::byte msg)
{
MidiByteArray buf;
buf << sysex_hdr() << msg << MIDI::eox;
_port->write (buf);
}
uint32_t
Surface::n_strips (bool with_locked_strips) const
{
if (with_locked_strips) {
return strips.size();
}
uint32_t n = 0;
for (Strips::const_iterator it = strips.begin(); it != strips.end(); ++it) {
if (!(*it)->locked()) {
++n;
}
}
return n;
}
Strip*
Surface::nth_strip (uint32_t n) const
{
if (n > n_strips()) {
return 0;
}
return strips[n];
}
void
Surface::zero_all ()
{
if (_mcp.device_info().has_timecode_display ()) {
display_timecode (string (10, '0'), string (10, ' '));
}
if (_mcp.device_info().has_two_character_display()) {
show_two_char_display (string (2, '0'), string (2, ' '));
}
if (_mcp.device_info().has_master_fader () && _master_fader) {
_port->write (_master_fader->zero ());
}
// zero all strips
for (Strips::iterator it = strips.begin(); it != strips.end(); ++it) {
(*it)->zero();
}
zero_controls ();
}
void
Surface::zero_controls ()
{
if (!_mcp.device_info().has_global_controls()) {
return;
}
// turn off global buttons and leds
for (Controls::iterator it = controls.begin(); it != controls.end(); ++it) {
Control & control = **it;
if (!control.group().is_strip()) {
_port->write (control.zero());
}
}
// and the led ring for the master strip
blank_jog_ring ();
_last_master_gain_written = 0.0f;
}
void
Surface::periodic (uint64_t now_usecs)
{
master_gain_changed();
for (Strips::iterator s = strips.begin(); s != strips.end(); ++s) {
(*s)->periodic (now_usecs);
}
}
void
Surface::write (const MidiByteArray& data)
{
if (_active) {
_port->write (data);
} else {
DEBUG_TRACE (DEBUG::MackieControl, "surface not active, write ignored\n");
}
}
void
Surface::map_routes (const vector<boost::shared_ptr<Route> >& routes)
{
vector<boost::shared_ptr<Route> >::const_iterator r;
Strips::iterator s = strips.begin();
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DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Mapping %1 routes\n", routes.size()));
for (r = routes.begin(); r != routes.end() && s != strips.end(); ++s) {
/* don't try to assign routes to a locked strip. it won't
use it anyway, but if we do, then we get out of sync
with the proposed mapping.
*/
if (!(*s)->locked()) {
(*s)->set_route (*r);
++r;
}
}
for (; s != strips.end(); ++s) {
(*s)->set_route (boost::shared_ptr<Route>());
}
}
static char
translate_seven_segment (char achar)
{
achar = toupper (achar);
if (achar >= 0x40 && achar <= 0x60) {
return achar - 0x40;
} else if (achar >= 0x21 && achar <= 0x3f) {
return achar;
} else {
return 0x00;
}
}
void
Surface::show_two_char_display (const std::string & msg, const std::string & dots)
{
if (_stype != mcu || !_mcp.device_info().has_two_character_display() || msg.length() != 2 || dots.length() != 2) {
return;
}
MidiByteArray right (3, 0xb0, 0x4b, 0x00);
MidiByteArray left (3, 0xb0, 0x4a, 0x00);
right[2] = translate_seven_segment (msg[0]) + (dots[0] == '.' ? 0x40 : 0x00);
left[2] = translate_seven_segment (msg[1]) + (dots[1] == '.' ? 0x40 : 0x00);
_port->write (right);
_port->write (left);
}
void
Surface::show_two_char_display (unsigned int value, const std::string & /*dots*/)
{
ostringstream os;
os << setfill('0') << setw(2) << value % 100;
show_two_char_display (os.str());
}
void
Surface::display_timecode (const std::string & timecode, const std::string & last_timecode)
{
if (!_active || !_mcp.device_info().has_timecode_display()) {
return;
}
// if there's no change, send nothing, not even sysex header
if (timecode == last_timecode) return;
// length sanity checking
string local_timecode = timecode;
// truncate to 10 characters
if (local_timecode.length() > 10) {
local_timecode = local_timecode.substr (0, 10);
}
// pad to 10 characters
while (local_timecode.length() < 10) {
local_timecode += " ";
}
// translate characters.
// Only the characters that actually changed are sent.
int position = 0x3f;
int i;
for (i = local_timecode.length () - 1; i >= 0; i--) {
position++;
if (local_timecode[i] == last_timecode[i]) {
continue;
}
MidiByteArray retval (2, 0xb0, position);
retval << translate_seven_segment (local_timecode[i]);
_port->write (retval);
}
}
void
Surface::update_flip_mode_display ()
{
for (Strips::iterator s = strips.begin(); s != strips.end(); ++s) {
(*s)->flip_mode_changed (true);
}
}
void
Surface::update_view_mode_display ()
{
string text;
int id = -1;
if (!_active) {
return;
}
switch (_mcp.view_mode()) {
case MackieControlProtocol::Mixer:
show_two_char_display ("Mx");
id = Button::Pan;
break;
case MackieControlProtocol::Dynamics:
show_two_char_display ("Dy");
id = Button::Dyn;
break;
case MackieControlProtocol::EQ:
show_two_char_display ("EQ");
id = Button::Eq;
break;
case MackieControlProtocol::Loop:
show_two_char_display ("LP");
id = Button::Loop;
break;
case MackieControlProtocol::AudioTracks:
show_two_char_display ("AT");
break;
case MackieControlProtocol::MidiTracks:
show_two_char_display ("MT");
break;
case MackieControlProtocol::Sends:
show_two_char_display ("Sn");
id = Button::Send;
break;
case MackieControlProtocol::Plugins:
show_two_char_display ("Pl");
id = Button::Plugin;
break;
default:
break;
}
if (id >= 0) {
/* we are attempting to turn a global button/LED on */
map<int,Control*>::iterator x = controls_by_device_independent_id.find (id);
if (x != controls_by_device_independent_id.end()) {
Button* button = dynamic_cast<Button*> (x->second);
if (button) {
_port->write (button->set_state (on));
}
}
}
if (!text.empty()) {
for (Strips::iterator s = strips.begin(); s != strips.end(); ++s) {
_port->write ((*s)->display (1, text));
}
}
}
void
Surface::gui_selection_changed (const ARDOUR::StrongRouteNotificationList& routes)
{
for (Strips::iterator s = strips.begin(); s != strips.end(); ++s) {
(*s)->gui_selection_changed (routes);
}
}
void
Surface::say_hello ()
{
/* wakeup for Mackie Control */
MidiByteArray wakeup (7, MIDI::sysex, 0x00, 0x00, 0x66, 0x14, 0x00, MIDI::eox);
_port->write (wakeup);
wakeup[4] = 0x15; /* wakup Mackie XT */
_port->write (wakeup);
wakeup[4] = 0x10; /* wakupe Logic Control */
_port->write (wakeup);
wakeup[4] = 0x11; /* wakeup Logic Control XT */
_port->write (wakeup);
}
void
Surface::next_jog_mode ()
{
}
void
Surface::set_jog_mode (JogWheel::Mode)
{
}
bool
Surface::route_is_locked_to_strip (boost::shared_ptr<Route> r) const
{
for (Strips::const_iterator s = strips.begin(); s != strips.end(); ++s) {
if ((*s)->route() == r && (*s)->locked()) {
return true;
}
}
return false;
}
void
Surface::notify_metering_state_changed()
{
for (Strips::const_iterator s = strips.begin(); s != strips.end(); ++s) {
(*s)->notify_metering_state_changed ();
}
}